MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 917b37643dd312610d4b71e47b7841cfe33c1f0e842f8eb9c73101345d37d876. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Formbook


Vendor detections: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 917b37643dd312610d4b71e47b7841cfe33c1f0e842f8eb9c73101345d37d876
SHA3-384 hash: 32a6edfd7df5fe343eb88a75972f9ef4337432d1c40bbcab859bd7c83b5a2bb4e81bfb42b13432d7fd542da1142e68b2
SHA1 hash: b3317f0f77a7df10b64fd8cefd42c8562adbd2d3
MD5 hash: 13f1d4fa70aee028305a5042b98387df
humanhash: ceiling-hot-gee-april
File name:AWB DHL 6357297368.exe
Download: download sample
Signature Formbook
File size:217'586 bytes
First seen:2021-05-28 11:48:36 UTC
Last seen:2021-05-31 06:57:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:jQqqHuLSQQicXc+zwYpCUh+hoQxrKnPiY9VO+B:cHlXdTg1j2PisM+B
Threatray 5'471 similar samples on MalwareBazaar
TLSH FF24128613E09953F9712331889B8B69C7FB9301530255EF7FB01F6C7A63292F4196E6
Reporter GovCERT_CH
Tags:FormBook

Intelligence


File Origin
# of uploads :
4
# of downloads :
158
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
AWB DHL 6357297368.exe
Verdict:
Malicious activity
Analysis date:
2021-05-28 11:53:34 UTC
Tags:
installer trojan formbook stealer opendir

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Sending a UDP request
Unauthorized injection to a recently created process
Launching a process
Launching cmd.exe command interpreter
DNS request
Sending an HTTP GET request
Unauthorized injection to a system process
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 426199 Sample: AWB DHL 6357297368.exe Startdate: 28/05/2021 Architecture: WINDOWS Score: 100 32 www.xuanpei.net 2->32 42 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 6 other signatures 2->48 11 AWB DHL 6357297368.exe 20 2->11         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\System.dll, PE32 11->30 dropped 58 Maps a DLL or memory area into another process 11->58 15 AWB DHL 6357297368.exe 11->15         started        signatures6 process7 signatures8 60 Modifies the context of a thread in another process (thread injection) 15->60 62 Maps a DLL or memory area into another process 15->62 64 Sample uses process hollowing technique 15->64 66 Queues an APC in another process (thread injection) 15->66 18 explorer.exe 15->18 injected process9 dnsIp10 34 attafine.com 162.241.27.245, 49749, 80 UNIFIEDLAYER-AS-1US United States 18->34 36 www.moulardfarms.net 91.195.240.94, 49733, 80 SEDO-ASDE Germany 18->36 38 18 other IPs or domains 18->38 50 System process connects to network (likely due to code injection or exploit) 18->50 22 cmd.exe 12 18->22         started        signatures11 process12 dnsIp13 40 www.rebeccannemontgomery.net 22->40 52 Modifies the context of a thread in another process (thread injection) 22->52 54 Maps a DLL or memory area into another process 22->54 56 Tries to detect virtualization through RDTSC time measurements 22->56 26 cmd.exe 1 22->26         started        signatures14 process15 process16 28 conhost.exe 26->28         started       
Threat name:
Win32.Trojan.FormBook
Status:
Malicious
First seen:
2021-05-28 08:53:47 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  5/5
Result
Malware family:
xloader
Score:
  10/10
Tags:
family:xloader loader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.rebeccannemontgomery.net/dp3a/
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Formbook
Author:JPCERT/CC Incident Response Group
Description:detect Formbook in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:win_formbook_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_formbook_g0
Author:Slavo Greminger, SWITCH-CERT

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Formbook

Executable exe 917b37643dd312610d4b71e47b7841cfe33c1f0e842f8eb9c73101345d37d876

(this sample)

  
Delivery method
Distributed via e-mail attachment

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